CORRELL..CARYL...CARRELL,..1870-1900

My grandfather was John W. Madden.b. 1884..d. 1916.His death certificate listed his parents as WILLIAM MADDEN and BRIDGET CORRELL.My grandfather is listed on the 1900 census of Carbondale, Pa. as living with his grandfather JOHN CARYL.John Caryl listed having emmigrated in 1870.Also living in the household was Catherine Connor. (John's married daughter/my grandfather's Aunt????)...No husband living in home with Catherine, but listed as married 4 years.
Any help out there?